diff options
Diffstat (limited to 'activesupport/lib/active_support/callbacks.rb')
-rw-r--r-- | activesupport/lib/active_support/callbacks.rb | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb index c6c7e2821b..af683d37ed 100644 --- a/activesupport/lib/active_support/callbacks.rb +++ b/activesupport/lib/active_support/callbacks.rb @@ -23,8 +23,6 @@ module ActiveSupport # methods, procs or lambdas, or callback objects that respond to certain predetermined # methods. See +ClassMethods.set_callback+ for details. # - # ==== Example - # # class Record # include ActiveSupport::Callbacks # define_callbacks :save @@ -312,13 +310,13 @@ module ActiveSupport method << "value = nil" method << "halted = false" - callbacks = "value = yield if block_given? && !halted" + callbacks = "value = !halted && (!block_given? || yield)" reverse_each do |callback| callbacks = callback.apply(callbacks) end method << callbacks - method << "halted ? false : (block_given? ? value : true)" + method << "value" method.join("\n") end @@ -330,26 +328,17 @@ module ActiveSupport # if it was not yet defined. # This generated method plays caching role. def __define_callbacks(kind, object) #:nodoc: - name = __callback_runner_name(kind) + chain = object.send("_#{kind}_callbacks") + name = "_run_callbacks_#{chain.object_id}" unless object.respond_to?(name, true) - str = object.send("_#{kind}_callbacks").compile class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1 - def #{name}() #{str} end + def #{name}() #{chain.compile} end protected :#{name} RUBY_EVAL end name end - def __reset_runner(symbol) - name = __callback_runner_name(symbol) - undef_method(name) if method_defined?(name) - end - - def __callback_runner_name(kind) - "_run__#{self.name.hash.abs}__#{kind}__callbacks" - end - # This is used internally to append, prepend and skip callbacks to the # CallbackChain. # @@ -361,7 +350,6 @@ module ActiveSupport ([self] + ActiveSupport::DescendantsTracker.descendants(self)).reverse.each do |target| chain = target.send("_#{name}_callbacks") yield target, chain.dup, type, filters, options - target.__reset_runner(name) end end @@ -449,12 +437,9 @@ module ActiveSupport chain = target.send("_#{symbol}_callbacks").dup callbacks.each { |c| chain.delete(c) } target.send("_#{symbol}_callbacks=", chain) - target.__reset_runner(symbol) end self.send("_#{symbol}_callbacks=", callbacks.dup.clear) - - __reset_runner(symbol) end # Define sets of events in the object lifecycle that support callbacks. |